Aldosterone promotes the homeostasis of ions by causing the kidneys to
conserve sodium and potassium.
excrete sodium and potassium,
Secrete erythropoietin,
O
excrete sodium and conserve potassium.
O
conserve sodium and excrete potassium

Ascientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions.